16968404 has 24 divisors (see below), whose sum is σ = 30367848. Its totient is φ = 8294400.

The previous prime is 16968401. The next prime is 16968421. The reversal of 16968404 is 40486961.

It can be written as a sum of positive squares in 4 ways, for example, as 3055504 + 13912900 = 1748^2 + 3730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16968401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38972 + ... + 39404.

It is an arithmetic number, because the mean of its divisors is an integer number (1265327).

Almost surely, 2^16968404 is an apocalyptic number.

It is an amenable number.

16968404 is a deficient number, since it is larger than the sum of its proper divisors (13399444).

16968404 is a wasteful number, since it uses less digits than its factorization.

16968404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 16968404 is about 4119.2722658256. The cubic root of 16968404 is about 256.9687618166.

The spelling of 16968404 in words is "sixteen million, nine hundred sixty-eight thousand, four hundred four".